Amphibian ecotoxicology
R. D. Semlitsch, C.M. Bridges
Michael J. Lannoo, editor(s)
2005, Book chapter, Amphibian declines: The conservation status of United States species
No abstract available....
Nesting ecology and behavior of Broad-winged Hawks in moist karst forests of Puerto Rico
D.W. Hengstenberg, F. J. Vilella
2005, Journal of Raptor Research (39) 404-416
The Puerto Rican Broad-winged Hawk (Buteo platypterus brunnescens) is an endemic and endangered subspecies inhabiting upland montane forests of Puerto Rico. The reproductive ecology, behavior, and nesting habitat of the Broad-winged Hawk were studied in Ri??o Abajo Forest, Puerto Rico, from 2001-02. We observed 158 courtship displays by Broad-winged Hawks....
An updated rate-of-spread clock
Jeremy Kolaks, Keith W. Grabner, George Hartman, Bruce E. Cutter, Edward F. Loewenstein
2005, Fire Management Today (65) 26-27
Several years ago, Blank and Simard (1983) described an electronic timer, frequently referred to as a rate-of-spread (ROS) clock—a relatively simple instrument used in measuring fire spread. Although other techniques for measuring rate of spread are available (such as data loggers), the basic ROS clock remains a valuable and relatively...
Mapping standardised test scores with other variables using GIS
J. Kerski, S. Linn, R. Gindele
2005, International Research in Geographical and Environmental Education (14) 231-236
No abstract available....
Ice elevations and surface change on the Malaspina Glacier, Alaska
J. Sauber, B. Molnia, C. Carabajal, S. Luthcke, R. Muskett
2005, Geophysical Research Letters (32) 1-4
Here we use Ice, Cloud and land Elevation Satellite (ICESat)-derived elevations and surface characteristics to investigate the Malaspina Glacier of southern Alaska. Although there is significant elevation variability between ICESat tracks on this glacier, we were able to discern general patterns in surface elevation change by using a regional digital...
Factors influencing the sporulation and cyst formation of Aphanomyces invadans, etiological agent of ulcerative mycosis in Atlantic menhaden, Brevoortia tyrannus
Y. Kiryu, Vicki S. Blazer, W. K. Vogelbein, H. Kator, J. D. Shields
2005, Mycologia (97) 569-575
Oomycete infections caused by Aphanomyces invadans occur in freshwater and estuarine fishes around the world. Along the east coast of the USA, skin ulcers caused by A. invadans are prevalent in Atlantic menhaden, Brevoortia tyrannus. From laboratory observations low salinities appear crucial to transmission of the pathogen. To better understand aspects of transmission, we characterized sporulation...
Availability of SQGs to estimate effects of sediment-associated contaminants in laboratory toxicity tests or in benthic community assessments
C.G. Ingersoll, S.M. Bay, J.L. Crane, L.J. Field, T. H. Gries, J. L. Hyland, E.R. Long, D.D. MacDonald, T.P. O’Connor
R. J. Wenning, G. E. Batley, C.G. Ingersoll, D. W. Moore, editor(s)
2005, Book chapter, Use of sediment quality guidelines and related tools for the assessment of contaminated sediments
No abstract available....
Catastrophic lava dome failure at Soufrière Hills Volcano, Montserrat, 12-13 July 2003
Richard A. Herd, Marie Edmonds, Venus A. Bass
2005, Journal of Volcanology and Geothermal Research (148) 234-252
The lava dome collapse of 12–13 July 2003 was the largest of the Soufrière Hills Volcano eruption thus far (1995–2005) and the largest recorded in historical times from any volcano; 210 million m3 of dome material collapsed over 18 h and formed large pyroclastic flows, which reached the sea. The evolution...
Development of evaluation tools for GIS: How does GIS affect student learning?
S. Linn, J. Kerski, S. Wither
2005, International Research in Geographical and Environmental Education (14) 217-222
No abstract available....
Preliminary characterisation of new glass reference materials (GSA-1G, GSC-1G, GSD-1G and GSE-1G) by laser ablation-inductively coupled plasma-mass spectrometry using 193 nm, 213 nm and 266 nm wavelengths
M. Guillong, K. Hametner, E. Reusser, Stephen A. Wilson, D. Gunther
2005, Geostandards and Geoanalytical Research (29) 315-331
New glass reference materials GSA-1G, GSC-1G, GSD-1G and GSE-1G have been characterised using a prototype solid state laser ablation system capable of producing wavelengths of 193 nm, 213 nm and 266 nm. This system allowed comparison of the effects of different laser wavelengths under nearly identical ablation and ICP operating...
Visitor and community survey results for Kilauea Point National Wildlife Refuge and Lighthouse: Completion report
Natalie Sexton, Shana C. Gillette, Lynne Koontz, Susan C. Stewart, John Loomis, Katherine D. Wundrock
2005, Open-File Report 2005-1420
The U.S. Fish and Wildlife Service (USFWS) and the Central Federal Lands Highway Division of the Federal Highway Administration, U.S. Department of Transportation are currently pursuing the planning and potential design of an alternative transportation system (ATS) for Kilauea Point National Wildlife Refuge (Refuge or Kilauea Point NWR). The USFWS...
Anesthesia and blood sampling of wild big brown bats (Eptesicus fuscus) with an assessment of impacts on survival
J. Wimsatt, T. J. O'Shea, L.E. Ellison, R.D. Pearce, V.R. Price
2005, Journal of Wildlife Diseases (41) 87-95
We anesthetized and blood sampled wild big brown bats (Eptesicus fuscus) in Fort Collins, Colorado (USA) in 2001 and 2002 and assessed effects on survival. Inhalant anesthesia was delivered into a specially designed restraint and inhalation capsule that minimized handling and bite exposures. Bats were immobilized an average of 9.1±5.1...
Tree species and size structure of old-growth Douglas-fir forests in central western Oregon, USA
Nathan Poage, J. C. Tappeiner II
2005, Forest Ecology and Management (204) 329-343
We characterized the structure of 91 old-growth forests dominated by Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco), using inventory data from recent (1985–1991) old-growth timber sales in western Oregon. The data were complete counts (i.e., censuses) of all live trees >20 cm diameter at breast height (dbh, measured at 1.4 m above the ground) over...
Managing vegetation in surface-flow wastewater-treatment wetlands for optimal treatment performance
J.S. Thullen, J.J. Sartoris, S. M. Nelson
2005, Ecological Engineering (25) 583-593
Constructed wetlands that mimic natural marshes have been used as low-cost alternatives to conventional secondary or tertiary wastewater treatment in the U.S. for at least 30 years. However, the general level of understanding of internal treatment processes and their relation to vegetation and habitat quality has not grown in proportion...
Control of Tamarix in the western United States: Implications for water salvage, wildlife use, and riparian restoration
P.B. Shafroth, J.R. Cleverly, T.L. Dudley, J.P. Taylor, Charles van Riper III, E.P. Weeks, J.N. Stuart
2005, Environmental Management (35) 231-246
Non-native shrub species in the genus Tamarix (saltcedar, tamarisk) have colonized hundreds of thousands of hectares of floodplains, reservoir margins, and other wetlands in western North America. Many resource managers seek to reduce saltcedar abundance and control its spread to increase the flow of water in streams that...
Hybridization of Tamarix ramosissima and T. chinensis (saltcedars) with T. aphylla (athel) (tamaricaceae) in the southwestern USA dertermined from DNA sequence data
John F. Gaskin, Patrick B. Shafroth
2005, Madroño (52) 1-10
Morphological intermediates between Tamarix ramosissima or T. chinensis (saltcedars) and T. aphylla (athel) were found recently in three locations in the southwestern USA, and were assumed to be hybrids or a previously unreported species. We sequenced chloroplast and nuclear DNA from putative parental and hybrid morphotypes and hybrid status of...
Survey of wildlife rehabilitators on infection control and personal protective behaviors
Emi Saito, Allison R. Shreve
2005, Wildlife Rehabilitation Bulletin (23) 42-46
Wildlife veterinarians and rehabilitators treat a number of wildlife species that can carry infectious and zoonotic diseases. These can rapidly spread within a facility and to the caregivers when adequate measures are not taken. Financial constraints and reduced access to laboratories often limit identification of disease etiology of many cases...
Core competencies for natural resource negotiation
S.C. Gillette, B. L. Lamb
2005, Environmental Practice (7) 155-164
Natural resource negotiation often involves multiple parties with overlapping interests and issues that...
USGS/National Wildlife Health Center's Quarterly Wildlife Mortality Report
C. Lemanski, K. Converse, R. Sohn, G. McLaughlin
2005, Supplement to the Journal of Wildlife Diseases (41)
Aquifer sensitivity to pesticide leaching: Testing a soils and hydrogeologic index method
E. Mehnert, D.A. Keefer, W.S. Dey, H.A. Wehrmann, S.D. Wilson, C. Ray
2005, Ground Water Monitoring and Remediation (25) 60-67
For years, researchers have sought index and other methods to predict aquifer sensitivity and vulnerability to nonpoint pesticide contamination. In 1995, an index method and map were developed to define aquifer sensitivity to pesticide leaching based on a combination of soil and hydrogeologic factors. The soil factor incorporated three soil...
Verification of sex from harvested sea otters using DNA testing
Kim T. Scribner, Ben A. Green, Carol Gorbics, James L. Bodkin
2005, Wildlife Society Bulletin (33) 1027-1032
We used molecular genetic methods to determine the sex of 138 sea otters (Enhydra lutris) harvested from 3 regions of Alaska from 1994 to 1997, to assess the accuracy of post‐harvest field‐sexing. We also tested each of a series of factors associated with errors in field‐sexing of...
δ30Si systematics in a granitic saprolite, Puerto Rico
Karen Ziegler, Oliver A. Chadwick, Arthur F. White, Mark A. Brzezinski
2005, Geology (33) 817-820
Granite weathering and clay mineral formation impart distinct and interpretable stable Si isotope (δ30Si) signatures to their solid and aqueous products. Within a saprolite, clay minerals have δ30Si values ∼2.0‰ more negative than their parent mineral and the δ30Si signature of the bulk solid is determined by the ratio of...
X-ray scattering and spectroscopy studies on diesel soot from oxygenated fuel under various engine load conditions
Andreas Braun, N. Shah, Frank E. Huggins, K.E. Kelly, A. Sarofim, C. Jacobsen, S. Wirick, H. Francis, J. Ilavsky, G.E. Thomas, G.P. Huffman
2005, Carbon (43) 2588-2599
Diesel soot from reference diesel fuel and oxygenated fuel under idle and load engine conditions was investigated with X-ray scattering and X-ray carbon K-edge absorption spectroscopy. Up to five characteristic size ranges were found. Idle soot was generally found to have larger primary particles and aggregates but smaller crystallites, than...
Tracing sources of streamwater sulfate during snowmelt using S and O isotope ratios of sulfate and 35S activity
James B. Shanley, B. Mayer, M.J. Mitchell, Robert L. Michel, S.W. Bailey, Carol Kendall
2005, Biogeochemistry (76) 161-185
The biogeochemical cycling of sulfur (S) was studied during the 2000 snowmelt at Sleepers River Research Watershed in northeastern Vermont, USA using a hydrochemical and multi-isotope approach. The snowpack and 10 streams of varying size and land use were sampled for analysis of anions, dissolved organic carbon (DOC), 35S activity,...
Lack of significant changes in the herpetofauna of Theodore Roosevelt National Park, North Dakota, since the 1920s
B. R. Hossack, P.S. Corn, D. S. Pilliod
2005, American Midland Naturalist (154) 423-432
We surveyed 88 upland wetlands and 12 1-km river sections for amphibians in Theodore Roosevelt National Park, North Dakota, during 2001–2002 to gather baseline data for future monitoring efforts and to evaluate changes in the distribution of species. We compared our results to collections of herpetofauna made during 1920–1922, 1954...
